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　　Richard Feynman is one of the most iconic, influential and inspiring scientis另一个冰轮丸ts of the 20th century. He helped design the atomic bomb, solved the mystery of the Challenger Shuttle catastrophe and won a Nobel Prize. Now, 向日葵视频污免费下载app在线看25 years after his death - in his own words and those of his friends and family - this is the story of the most captivating communicator in the hitobu8美国14story of science.